Seiko Cal. 6631 - 706

The Seiko 6631-706 represents an important milestone in Seiko's 1988 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-20c3308a36da]

Also known as: Pogue, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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